20322103189 has 2 divisors, whose sum is σ = 20322103190. Its totient is φ = 20322103188.

The previous prime is 20322103183. The next prime is 20322103199. The reversal of 20322103189 is 98130122302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16398083025 + 3924020164 = 128055^2 + 62642^2 .

It is a cyclic number.

It is not a de Polignac number, because 20322103189 - 2³ = 20322103181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20322103189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20322103181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161051594 + 10161051595.

It is an arithmetic number, because the mean of its divisors is an integer number (10161051595).

Almost surely, 2^20322103189 is an apocalyptic number.

It is an amenable number.

20322103189 is a deficient number, since it is larger than the sum of its proper divisors (1).

20322103189 is an equidigital number, since it uses as much as digits as its factorization.

20322103189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 20322103189 in words is "twenty billion, three hundred twenty-two million, one hundred three thousand, one hundred eighty-nine".